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Streamflow Measurements for the Nation


USGS 06485950 BIG SIOUX RIVER AT SIOUX CITY, IA


Woodbury County, Iowa
Hydrologic Unit Code 10170203
Latitude  42°31'28", Longitude  96°28'48.7" NAD27
Drainage area 8,430  square miles
Contributing drainage area 7,546  square miles
Gage datum 1,060 feet above NAVD88
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Meas.
Number
  Date       Time Time
Datum
Measurement
Used?
  Who Measuring
Agency
Stream
flow
(ft3/s)
Gage
Height
(ft)
GH
Change
(ft)
Meas.
Duration
(hr)
Meas.
Rated
  Control Flow
Adjust.
Code
 
1232024-10-10 10:29:06CDTYesJVRUSGS62712.34-0.010.25FairClearNONE
1222024-08-07 13:23:03CDTYesTJM/JVRUSGS265011.880.000.25FairClearNONE
1212024-07-01 10:15:04CDTYesTJM/MABUSGS1870023.02-0.030.25GoodClearNONE
1202024-06-24 10:56:02CDTYesTJM/JVRUSGS9580044.580.000.25GoodClearNONE
1192024-05-07 10:24:04CDTYesMAB/GJDUSGS560014.320.010.24GoodClearNONE
1182024-02-21 12:56:01CSTYesJVR/MABUSGS10708.980.000.33PoorClearBYPS
1172023-10-04 07:51:01CDTYesTJMUSGS28012.850.000.25FairClearNONE
1162023-08-29 08:32:01CDTYesTJMUSGS49812.320.000.25FairClearNONE
1152023-07-25 08:47:02CDTYesTJMUSGS51111.530.000.25FairClearNONE
1142023-05-31 17:24:02CDTYesTJMUSGS172010.490.000.25PoorDebrisLightNONE
1132023-04-17 10:37:07CDTYesMABUSGS1030017.14-0.020.24FairDebrisLightNONE
1122023-03-27 09:46CDTYesTJMUSGS290011.720.000.33PoorClearNONE
1112022-12-01 14:10:19CSTYesJVR/MABUSGS2057.350.000.50FairClearNONE
1102022-10-11 09:43:03CDTYesTJMUSGS25511.220.000.25FairClearNONE
1092022-08-31 07:05:01CDTYesTJMUSGS42811.260.000.25FairClearNONE
1082022-07-06 08:14:02CDTYesTJMUSGS9949.960.000.25FairClearNONE
1072022-05-04 08:21:01CDTYesTJM/MABUSGS246011.500.000.25PoorClearNONE
1062022-03-14 10:06:01CDTYesTJMUSGS6428.940.000.24PoorClearNONE
1052021-12-14 08:10:28CSTYesTJM/GMFUSGS7048.930.000.24PoorIceShoreNONE
1042021-10-14 08:39:08CDTYesTJMUSGS80511.500.000.30FairClearNONE
1032021-09-01 08:41:07CDTYesTJMUSGS324012.64-0.010.23FairClearNONE
1022021-07-13 16:28:09CDTYesTJM/GMFUSGS79310.600.000.23FairClearNONE
1012021-06-02 06:37:06CDTYesTJMUSGS136011.080.000.23FairClearNONE
1002021-03-30 07:59:08CDTYesTJMUSGS258012.100.000.22FairClearNONE
992020-10-14 12:36:04CDTYesTJMUSGS81211.290.010.24FairClearNONE
982020-07-21 09:42:03CDTYesTJMUSGS224011.980.000.22FairClearNONE
972020-06-23 11:28:03CDTYesTJMUSGS636016.080.000.22FairClearNONE
962020-04-15 13:05:03CDTYesTJMUSGS705016.770.000.22GoodClearNONE
952020-02-20 12:09:33CSTYesTJM/JVRUSGS220013.540.000.24GoodIceShoreNONE
942019-12-05 12:01:07CSTYesMABUSGS532018.86-0.030.25FairClearNONE
932019-10-01 12:25:05CDTYesTJM/MABUSGS813024.740.050.23GoodClearNONE
922019-09-18 13:30:05CDTYesTJM/JVRUSGS3440032.86 0.50FairVegetationLightNONE
912019-08-12 10:02:05CDTYesTJM/JVRUSGS490021.810.000.23GoodClearNONE
902019-07-15 10:26:01CDTYesTJM/NJSUSGS1040023.200.000.22GoodClearNONE
892019-05-30 16:56:05CDTYesTJM/MABUSGS3280032.410.030.21FairClearNONE
882019-04-10 16:26:07CDTYesTJM/JVRUSGS2000025.960.020.26GoodClearNONE
872019-03-27 07:32:09CDTYesNAS/ZVSUSGS2400026.500.010.23GoodClearNONE
862019-03-18 10:27:09CDTYesTJMUSGS5040034.90-0.110.42FairDebrisLightNONE
852019-02-13 09:58:55CSTYesTJM/MABUSGS173011.300.000.68FairIceShoreNONE
842018-12-04 09:35:46CSTYesTJMUSGS401016.020.000.23GoodClearNONE
832018-10-30 08:09:01CDTYesTJM/MABUSGS622019.990.000.28GoodClearNONE
822018-10-11 13:11:02CDTYesTJM/JVRUSGS910020.510.000.23ExcellentClearNONE
812018-09-24 12:31:09CDTYesJVR/NJSUSGS2790028.87-0.060.29GoodDebrisLightNONE
802018-08-28 06:58:02CDTYesTJMUSGS386019.300.000.23GoodClearNONE
792018-07-31 10:34:03CDTYesTJM/JVRUSGS454019.810.000.25GoodClearNONE
782018-07-17 07:02:08CDTYesTJMUSGS980021.670.000.25GoodClearNONE
772018-07-02 15:25:07CDTYesMAB/JVRUSGS2060025.41-0.020.20GoodClearNONE
762018-06-25 12:30:09CDTYesTJM/JVRUSGS3510030.340.030.27GoodDebrisLightNONE
752018-06-23 08:40CDTYesTJM/JVRUSGS1220021.350.000.25GoodClearNONE
742018-06-05 06:52:05CDTYesTJMUSGS418016.570.000.22GoodClearNONE
732018-05-09 13:03:09CDTYesTJMUSGS713018.15-0.030.24FairClearNONE
722018-04-25 13:29:08CDTYesTJMUSGS1250020.810.030.23FairClearNONE
712018-03-22 09:57:05CDTYesTJM/JVRUSGS480014.970.000.75GoodClearNONE
702018-03-08 10:05CSTYesTJMUSGS466014.460.040.67FairIceCoverNONE
692017-12-05 08:35CSTYesTJMUSGS197012.22-0.020.82GoodClearNONE
682017-11-14 09:52:30CSTYesTJM/NJSUSGS214012.44 0.75GoodDebrisLightNONE
672017-10-10 09:25CDTYesTJMUSGS949017.970.000.82GoodVegetationLightNONE
662017-10-03 08:10CDTYesTJMUSGS239013.400.000.67GoodDebrisLightNONE
652017-08-16 07:30CDTYesTJMUSGS105012.370.050.67GoodDebrisLightNONE
642017-06-28 07:15CDTYesTJMUSGS273014.040.000.82GoodDebrisLightNONE
632017-05-24 14:06CDTYesDLH/CETUSGS834017.410.000.25GoodDebrisLightNONE
622017-05-16 08:10CDTYesTJMUSGS342014.71-0.040.83GoodDebrisLightNONE
612017-05-02 12:32:05CDTYesMBHUSGS427015.250.001.50Good NONE
602017-03-29 11:33:04CDTYesMAB/CMDUSGS353013.640.001.20GoodClearNONE
592017-02-21 10:05CSTYesTJMUSGS449013.31-0.011.20GoodDebrisLightNONE
582017-02-08 10:30CSTYesTJMUSGS224011.650.001.00FairIceCoverNONE
572016-10-18 08:32CDTYesTJM/MABUSGS296012.32-0.031.30GoodDebrisLightNONE
562016-09-19 10:35CDTYesTJMUSGS709015.78-0.041.00GoodDebrisLightNONE
552016-08-30 08:40CDTYesTJM/MBHUSGS122011.120.021.30FairDebrisLightNONE
542016-08-08 12:30CDTYesTJM/NJSUSGS105010.950.021.00GoodDebrisLightNONE
532016-07-19 08:10CDTYesTJMUSGS263012.24-0.011.00GoodDebrisLightNONE
522016-06-01 12:17CDTYesTJM/MABUSGS699016.030.000.30GoodDebrisLightNONE
512016-05-24 10:49CDTYesMABUSGS512014.48-0.030.40FairClearNONE
502016-05-02 10:02CDTYesTJM/JVRUSGS1090018.930.000.30FairVegetationLightNONE
492016-04-12 12:10CDTYesTJM/MABUSGS343012.80 1.00GoodDebrisLightNONE
482016-03-07 10:45CSTYesTJMUSGS456013.470.000.90GoodDebrisLightNONE
472016-02-16 16:30CSTYesTJMUSGS123010.620.000.70PoorIceShoreNONE
462015-12-22 12:00CSTYesTJMUSGS233011.920.000.50PoorClearNONE
452015-10-28 14:12CDTYesTJM/MABUSGS124012.080.020.80FairDebrisLightNONE
442015-10-28 13:00CDTYesTJM/MABUSGS116012.070.001.20FairDebrisLightNONE
432015-09-10 08:12CDTYesTJM/MABUSGS147012.040.000.90GoodDebrisLightNONE
422015-07-14 11:27CDTYesTJMUSGS284013.160.000.80GoodDebrisLightNONE
412015-05-13 08:30CDTYesTJMUSGS282013.300.031.00GoodDebrisLightNONE
402015-04-28 12:22CDTYesTJMUSGS87210.400.000.80FairDebrisLightNONE
392015-03-17 13:10CDTYesTJMUSGS150010.880.001.00PoorDebrisLightNONE
382015-02-23 11:30CSTYesNJS/TJMUSGS5469.080.010.90PoorIceCoverNONE
372014-07-03 10:37:01CDTYesDLH/MJNUSGS518015.10-0.020.20GoodClearNONE
362014-06-30 11:01CDTYesCET/JACUSGS706016.770.000.30GoodClearNONE
352014-06-26 10:29:01CDTYesDLH/JACUSGS1280019.95-0.030.40GoodClearNONE
342014-06-24 10:42:09CDTYesRDH/DLHUSGS2210024.89-0.040.30GoodClearNONE
332014-06-23 10:36:06CDTYesDLH/MJNUSGS2860027.820.000.20GoodDebrisLightNONE
322014-06-21 10:13:07CDTYesDLH/JACUSGS4880034.38-0.050.30FairDebrisLightNONE
312014-06-20 10:47CDTYesMJN/JGGUSGS6430037.700.010.20FairClearNONE
302014-06-19 13:17:08CDTYesDLH/MJNUSGS5950037.02 FairDebrisHeavyNONE
292014-06-19 12:48CDTNo
282014-06-18 18:00CDTYesJGG/MJNUSGS2320025.601.011.50PoorUnspecifedNONE
272014-06-17 15:30CDTYesRLK/JACUSGS1170021.950.021.00FairClearNONE
262004-05-27 13:42CDTYesMEF/NJSUSGS341083.420.020.90GoodUnspecifedNONE
252003-12-05 09:22:30CSTYesMEF/DDJUSGS35076.78-0.010.80GoodClearNONE
242003-09-13 11:50CDTYesMEF/DMHUSGS124081.88-0.041.00GoodUnspecifedNONE
232003-09-05 08:50CDTYesDDJ/MEFUSGS20681.110.001.30FairUnspecifedNONE
222003-07-17 11:27CDTYesMEF/NJSUSGS126080.720.001.10GoodUnspecifedNONE
212003-06-27 12:57CDTYesDDJ/NJSUSGS238082.08-0.011.60GoodDebrisModerateNONE
202003-04-25 08:25CDTYesMJB/MEFUSGS259081.210.000.80FairClearNONE
192003-03-27 15:27:30CSTYesMEF/DMHUSGS126079.980.010.90FairDebrisLightNONE
181972-10-25 11:10CDTYesRDBUSGS38084.520.000.30GoodClearNONE
171972-09-26 12:10CDTYesARC/RDBUSGS46784.960.000.60GoodClearNONE
161972-08-10 15:00CDTYesRDB/OJRUSGS144087.780.010.60FairClearNONE
151972-06-07 08:25CDTYesRDBUSGS504094.310.000.80FairClearNONE
141971-09-08 13:35CDTYesFELUSGS17384.160.000.40GoodClearNONE
131971-06-09 14:25CDTYesFELUSGS635096.620.000.90GoodClearNONE
121971-03-09 14:00CSTYesFEL/EDSUSGS114087.40-0.020.50GoodClearNONE
111970-09-10 14:55CDTYesARCUSGS16283.800.000.40FairClearNONE
101970-06-09 14:05CDTYesFELUSGS176088.400.000.70GoodClearNONE
91970-05-12 14:25CDTYesRDBUSGS141087.410.000.70Fair NONE
81970-04-07 14:35CSTYesARCUSGS450094.040.000.80FairClearNONE
71970-03-10 13:20CSTYesFEL/RDBUSGS284092.320.000.30FairIceShoreNONE
61970-02-10 13:15CSTYesRDB/ARCUSGS24084.140.000.50FairIceCoverNONE
51970-01-14 08:40CSTYesARCUSGS17584.190.000.30FairIceCoverNONE
41969-12-10 14:40CSTYesRDB/ARCUSGS34084.180.000.70FairIceCoverNONE
31969-11-12 13:25CSTYesFELUSGS36884.58 GoodClearNONE
21969-10-08 13:10CSTYesARCUSGS36284.900.000.50FairClearNONE
11969-07-29 09:30CSTYesILB/RDBUSGS211090.390.001.10UnspecifiedClearNONE